USD948724S1 - Vision assessment chart - Google Patents
Vision assessment chart Download PDFInfo
- Publication number
- USD948724S1 USD948724S1 US29/687,824 US201929687824F USD948724S US D948724 S1 USD948724 S1 US D948724S1 US 201929687824 F US201929687824 F US 201929687824F US D948724 S USD948724 S US D948724S
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- United States
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- vision assessment
- assessment chart
- vision
- chart
- enlarged view
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Description
The broken lines show environment and form no part of the claimed design. Color is claimed in FIGS. 1, 2, 3 and 4 , with the color green claimed in FIG. 2 , the color yellow claimed in FIG. 3 , and the color red claimed in FIG. 4 . Color is not claimed in FIGS. 6, 7, 8 and 9 . Text and lead lines are not claimed in FIGS. 1 and 6 .
Claims (1)
- The ornamental design for a vision assessment chart, as shown and described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29/687,824 USD948724S1 (en) | 2019-04-16 | 2019-04-16 | Vision assessment chart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29/687,824 USD948724S1 (en) | 2019-04-16 | 2019-04-16 | Vision assessment chart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USD948724S1 true USD948724S1 (en) | 2022-04-12 |
Family
ID=81000272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US29/687,824 Active USD948724S1 (en) | 2019-04-16 | 2019-04-16 | Vision assessment chart |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USD948724S1 (en) |
Citations (84)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1391084A (en) * | 1918-05-23 | 1921-09-20 | Updegrave William Marsh | Eye-testing chart |
| US1903502A (en) | 1930-06-23 | 1933-04-11 | Malcolm D Campbell | Optical perimeter |
| US1999054A (en) * | 1933-10-04 | 1935-04-23 | Orval W Lee | Ophthalmic test-media and method of preparing same |
| US2576358A (en) | 1949-11-04 | 1951-11-27 | Roland I Pritikin | Portable tangent screen |
| US3011394A (en) * | 1959-04-23 | 1961-12-05 | Reuel A Sherman | Device for testing visual acuity |
| US3025755A (en) | 1958-09-22 | 1962-03-20 | Robert C Mueller | Visual field examination device |
| US3269792A (en) | 1961-12-05 | 1966-08-30 | Mirsky David | Apparatus for photographically plotting an ocular field |
| US3288546A (en) | 1965-03-30 | 1966-11-29 | Jerome A Gans | Automatic self-recording visual field tester |
| US3414348A (en) | 1961-10-24 | 1968-12-03 | Gambs Paul Frederic Marie | Hemispherical eye test perimeter with coupled test light spot and recording light spot projectors |
| US3421498A (en) | 1963-06-25 | 1969-01-14 | Jerome A Gans | Visual field tester |
| US3476465A (en) | 1966-01-28 | 1969-11-04 | Bausch & Lomb | Tangent screen field of vision testing apparatus |
| US3482905A (en) | 1965-10-22 | 1969-12-09 | Nathan Ben Tovim | Projection perimeter |
| US3664732A (en) | 1970-02-02 | 1972-05-23 | John R Lynn | Method for examination of visual fields |
| US3936164A (en) | 1972-07-19 | 1976-02-03 | Surgical Design Corporation | Instruments for measuring visual fields |
| USD243076S (en) | 1975-06-11 | 1977-01-18 | Timex Corporation | Electrooptic timepiece face |
| US4260227A (en) | 1977-10-04 | 1981-04-07 | Coherent, Inc. | Automated kinetic perimetry apparatus and method |
| US4365873A (en) | 1979-11-28 | 1982-12-28 | Ginsburg Arthur P | Spatial frequency and contrast sensitivity test chart |
| US4615594A (en) | 1985-01-23 | 1986-10-07 | The United States Of America As Represented By The Secretary Of The Air Force | Vision test chart and method using Gaussians |
| US4660948A (en) | 1984-02-15 | 1987-04-28 | Philip Retz | Eye chart |
| GB2247087A (en) | 1990-07-25 | 1992-02-19 | Erkan Mutlukan | Perimetric test chart |
| US5108170A (en) | 1989-12-29 | 1992-04-28 | Kabushiki Kaisha Topcon | Perimetric instrument |
| US5148807A (en) | 1990-08-28 | 1992-09-22 | Ohio State University | Non-contact tonometer |
| USD333799S (en) | 1990-03-15 | 1993-03-09 | Philippe Charriol | Timepiece dial |
| US5292514A (en) | 1992-06-24 | 1994-03-08 | Minnesota Mining And Manufacturing Company | Azlactone-functional substrates, corneal prostheses, and manufacture and use thereof |
| USD360375S (en) | 1993-06-28 | 1995-07-18 | Snapp Craig A | Timepiece face |
| US5500699A (en) | 1990-12-17 | 1996-03-19 | Ginsburg; Arthur P. | Spatial frequency and contrast sensitivity test chart and protocol |
| USD370259S (en) | 1994-04-05 | 1996-05-28 | Teich Steven A | Retina chart |
| US5589897A (en) | 1995-05-01 | 1996-12-31 | Stephen H. Sinclair | Method and apparatus for central visual field mapping and optimization of image presentation based upon mapped parameters |
| USD377528S (en) * | 1995-11-28 | 1997-01-21 | Teich Steven A | Retina chart |
| US5640962A (en) | 1993-01-21 | 1997-06-24 | Technomed Gesellschaft fur Med. und Med. Techn. Systeme mbH | Process and device for determining the topography of a reflecting surface |
| US5752967A (en) | 1995-07-27 | 1998-05-19 | Kritzinger; Michiel S. | Corneal surface marker and marking method for improving laser centration |
| US5801809A (en) | 1996-11-06 | 1998-09-01 | Husain; Abbas M. | Eye chart with color vision screening |
| US5886770A (en) * | 1993-09-22 | 1999-03-23 | University Court Of The University Of Glasgow | Device for use in the examination of the visual field of a subject |
| US6068378A (en) | 1998-12-03 | 2000-05-30 | Weiss; Jeffrey N. | Eye self-test device |
| US6079831A (en) | 1997-04-24 | 2000-06-27 | Orbtek, Inc. | Device and method for mapping the topography of an eye using elevation measurements in combination with slope measurements |
| US6095989A (en) | 1993-07-20 | 2000-08-01 | Hay; Sam H. | Optical recognition methods for locating eyes |
| US6120444A (en) | 1998-06-05 | 2000-09-19 | Kabushiki Kaisha Topcon | Noncontact tonometer capable of measuring intraocular tension by optically detecting deformation of cornea caused by air current |
| USD433348S (en) | 2000-01-13 | 2000-11-07 | Kallestad John P | Watch face |
| USD444236S1 (en) | 2000-10-12 | 2001-06-26 | Oculus Optikgeraete Gmbh | Perimeter |
| US6542081B2 (en) | 1996-08-19 | 2003-04-01 | William C. Torch | System and method for monitoring eye movement |
| US6554424B1 (en) | 1999-03-01 | 2003-04-29 | Boston Innovative Optices, Inc. | System and method for increasing the depth of focus of the human eye |
| US20040085327A1 (en) | 2002-11-01 | 2004-05-06 | Tenebraex Corporation | Technique for enabling color blind persons to distinguish between various colors |
| US20040193070A1 (en) | 2003-03-28 | 2004-09-30 | Meyer Schilder | Systems and methods for detecting and mapping disorders of the macular portion of the retina |
| US20040223118A1 (en) | 2000-04-11 | 2004-11-11 | Benedikt Jean | Selective corneal aberrometry |
| US7025455B2 (en) | 2003-12-19 | 2006-04-11 | J&J Vision Care, Inc. | Multifocal contact lenses having a pinhole |
| US20060132712A1 (en) | 2004-12-16 | 2006-06-22 | Grove Donald C | Dot radial ringed placido |
| US20060235514A1 (en) | 2005-04-14 | 2006-10-19 | Silvestrini Thomas A | Corneal optic formed of degradation resistant polymer |
| US20060270946A1 (en) | 2003-06-17 | 2006-11-30 | Silvestrini Thomas A | Method and apparatus for aligning a mask with the visual axis of an eye |
| USD533904S1 (en) | 2005-08-16 | 2006-12-19 | Magy Quint As | Chord wheel |
| US7222961B2 (en) | 2002-08-05 | 2007-05-29 | Kestrel Corporation | Method for detecting a functional signal in retinal images |
| US7264356B2 (en) | 2003-08-06 | 2007-09-04 | Tenebraex, Inc. | Techniques for diagnosing and aiding color vision |
| US7357508B2 (en) * | 2001-08-27 | 2008-04-15 | Taketoshi Suzuki | Eye test chart apparatus |
| USD568133S1 (en) | 2005-12-20 | 2008-05-06 | Struers A/S | Cutting disc |
| US20080204659A1 (en) | 2007-02-27 | 2008-08-28 | Carbonari Kenneth J | Placido Projector for Corneal Topography System |
| USD580808S1 (en) | 2006-02-17 | 2008-11-18 | Van Tulder Barbara S | Dials |
| US20090185134A1 (en) | 2008-01-21 | 2009-07-23 | Sarver Edwin J | Monochromatic multi-resolution corneal topography target |
| US20090231545A1 (en) | 2008-03-11 | 2009-09-17 | Minu, L.L.C. | Ocular centration of visual axis and evaluation of retinal funciton |
| US20100182568A1 (en) | 2009-01-21 | 2010-07-22 | Sarver Edwin J | Continuous two-dimensional corneal topography target |
| US7789510B2 (en) | 2008-01-14 | 2010-09-07 | Sina Fateh | System and method for improving the peripheral vision of a subject |
| US20110013142A1 (en) | 2009-01-07 | 2011-01-20 | Husain Abbas M | Cataract detection eye chart |
| US20110040376A1 (en) | 2009-08-13 | 2011-02-17 | Acufocus, Inc. | Masked intraocular implants and lenses |
| USD633581S1 (en) | 2010-03-10 | 2011-03-01 | Mats Thulin | Chest press |
| US20110199574A1 (en) | 2009-09-21 | 2011-08-18 | Van Dalen Johan T W | Method and Apparatus for Determining Ocular Motor Function |
| US8047652B1 (en) | 2009-05-19 | 2011-11-01 | Ernesto Collazo | Portable electronic amsler test |
| US20110267577A1 (en) * | 2008-09-01 | 2011-11-03 | Dinesh Verma | Ophthalmic diagnostic apparatus |
| US8066376B2 (en) | 2008-05-01 | 2011-11-29 | Vital Art & Science Incorporated | Dynamic shape discrimination vision test |
| US8087780B2 (en) | 2006-07-31 | 2012-01-03 | Hsu-Chieh Yeh | High precision visual field tester with unprecedented detailed results |
| US8275438B2 (en) | 2006-10-04 | 2012-09-25 | Dexcom, Inc. | Analyte sensor |
| USD671026S1 (en) | 2010-12-28 | 2012-11-20 | Horst Thurau | Watch face |
| USD683253S1 (en) | 2012-02-17 | 2013-05-28 | John P. Kallestad | Clock face |
| USD683254S1 (en) | 2011-10-21 | 2013-05-28 | Yvonna Bennett | Pendant |
| USD685480S1 (en) * | 2010-01-07 | 2013-07-02 | Abbas M. Husain | Cataract detection eye chart |
| US20130286351A1 (en) | 2010-12-27 | 2013-10-31 | Nidek Co., Ltd. | Cornea shape measurement apparatus |
| US20140277432A1 (en) | 2013-03-13 | 2014-09-18 | Acufocus, Inc. | In situ adjustable optical mask |
| USD728797S1 (en) | 2013-12-13 | 2015-05-05 | Henry Ford Health System | Vision assessment apparatus |
| USD734470S1 (en) * | 2013-12-13 | 2015-07-14 | Henry Ford Health System | Vision assessment chart |
| USD741493S1 (en) * | 2015-01-09 | 2015-10-20 | Abbas M Husain | Pediatric color eye chart |
| USD742015S1 (en) * | 2015-01-09 | 2015-10-27 | Abbas M Husain | Color eye chart |
| USD762508S1 (en) | 2014-08-26 | 2016-08-02 | Van Cleef & Arpels SA | Watch dial |
| US9427311B2 (en) | 2009-08-13 | 2016-08-30 | Acufocus, Inc. | Corneal inlay with nutrient transport structures |
| USD781737S1 (en) | 2015-03-05 | 2017-03-21 | Harry Winston Sa | Dial |
| USD844145S1 (en) | 2014-12-22 | 2019-03-26 | Henry Ford Health System | Vision assessment chart |
| US20190246893A1 (en) * | 2016-07-29 | 2019-08-15 | Medicontur Medical Engineering Ltd. | Method and system for measuring visual acuity |
| US20200397279A1 (en) * | 2018-02-22 | 2020-12-24 | The Schepens Eye Research Institute, Inc. | Measuring eye refraction |
-
2019
- 2019-04-16 US US29/687,824 patent/USD948724S1/en active Active
Patent Citations (84)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1391084A (en) * | 1918-05-23 | 1921-09-20 | Updegrave William Marsh | Eye-testing chart |
| US1903502A (en) | 1930-06-23 | 1933-04-11 | Malcolm D Campbell | Optical perimeter |
| US1999054A (en) * | 1933-10-04 | 1935-04-23 | Orval W Lee | Ophthalmic test-media and method of preparing same |
| US2576358A (en) | 1949-11-04 | 1951-11-27 | Roland I Pritikin | Portable tangent screen |
| US3025755A (en) | 1958-09-22 | 1962-03-20 | Robert C Mueller | Visual field examination device |
| US3011394A (en) * | 1959-04-23 | 1961-12-05 | Reuel A Sherman | Device for testing visual acuity |
| US3414348A (en) | 1961-10-24 | 1968-12-03 | Gambs Paul Frederic Marie | Hemispherical eye test perimeter with coupled test light spot and recording light spot projectors |
| US3269792A (en) | 1961-12-05 | 1966-08-30 | Mirsky David | Apparatus for photographically plotting an ocular field |
| US3421498A (en) | 1963-06-25 | 1969-01-14 | Jerome A Gans | Visual field tester |
| US3288546A (en) | 1965-03-30 | 1966-11-29 | Jerome A Gans | Automatic self-recording visual field tester |
| US3482905A (en) | 1965-10-22 | 1969-12-09 | Nathan Ben Tovim | Projection perimeter |
| US3476465A (en) | 1966-01-28 | 1969-11-04 | Bausch & Lomb | Tangent screen field of vision testing apparatus |
| US3664732A (en) | 1970-02-02 | 1972-05-23 | John R Lynn | Method for examination of visual fields |
| US3936164A (en) | 1972-07-19 | 1976-02-03 | Surgical Design Corporation | Instruments for measuring visual fields |
| USD243076S (en) | 1975-06-11 | 1977-01-18 | Timex Corporation | Electrooptic timepiece face |
| US4260227A (en) | 1977-10-04 | 1981-04-07 | Coherent, Inc. | Automated kinetic perimetry apparatus and method |
| US4365873A (en) | 1979-11-28 | 1982-12-28 | Ginsburg Arthur P | Spatial frequency and contrast sensitivity test chart |
| US4660948A (en) | 1984-02-15 | 1987-04-28 | Philip Retz | Eye chart |
| US4615594A (en) | 1985-01-23 | 1986-10-07 | The United States Of America As Represented By The Secretary Of The Air Force | Vision test chart and method using Gaussians |
| US5108170A (en) | 1989-12-29 | 1992-04-28 | Kabushiki Kaisha Topcon | Perimetric instrument |
| USD333799S (en) | 1990-03-15 | 1993-03-09 | Philippe Charriol | Timepiece dial |
| GB2247087A (en) | 1990-07-25 | 1992-02-19 | Erkan Mutlukan | Perimetric test chart |
| US5148807A (en) | 1990-08-28 | 1992-09-22 | Ohio State University | Non-contact tonometer |
| US5500699A (en) | 1990-12-17 | 1996-03-19 | Ginsburg; Arthur P. | Spatial frequency and contrast sensitivity test chart and protocol |
| US5292514A (en) | 1992-06-24 | 1994-03-08 | Minnesota Mining And Manufacturing Company | Azlactone-functional substrates, corneal prostheses, and manufacture and use thereof |
| US5640962A (en) | 1993-01-21 | 1997-06-24 | Technomed Gesellschaft fur Med. und Med. Techn. Systeme mbH | Process and device for determining the topography of a reflecting surface |
| USD360375S (en) | 1993-06-28 | 1995-07-18 | Snapp Craig A | Timepiece face |
| US6095989A (en) | 1993-07-20 | 2000-08-01 | Hay; Sam H. | Optical recognition methods for locating eyes |
| US5886770A (en) * | 1993-09-22 | 1999-03-23 | University Court Of The University Of Glasgow | Device for use in the examination of the visual field of a subject |
| USD370259S (en) | 1994-04-05 | 1996-05-28 | Teich Steven A | Retina chart |
| US5589897A (en) | 1995-05-01 | 1996-12-31 | Stephen H. Sinclair | Method and apparatus for central visual field mapping and optimization of image presentation based upon mapped parameters |
| US5752967A (en) | 1995-07-27 | 1998-05-19 | Kritzinger; Michiel S. | Corneal surface marker and marking method for improving laser centration |
| USD377528S (en) * | 1995-11-28 | 1997-01-21 | Teich Steven A | Retina chart |
| US6542081B2 (en) | 1996-08-19 | 2003-04-01 | William C. Torch | System and method for monitoring eye movement |
| US5801809A (en) | 1996-11-06 | 1998-09-01 | Husain; Abbas M. | Eye chart with color vision screening |
| US6079831A (en) | 1997-04-24 | 2000-06-27 | Orbtek, Inc. | Device and method for mapping the topography of an eye using elevation measurements in combination with slope measurements |
| US6120444A (en) | 1998-06-05 | 2000-09-19 | Kabushiki Kaisha Topcon | Noncontact tonometer capable of measuring intraocular tension by optically detecting deformation of cornea caused by air current |
| US6068378A (en) | 1998-12-03 | 2000-05-30 | Weiss; Jeffrey N. | Eye self-test device |
| US6554424B1 (en) | 1999-03-01 | 2003-04-29 | Boston Innovative Optices, Inc. | System and method for increasing the depth of focus of the human eye |
| USD433348S (en) | 2000-01-13 | 2000-11-07 | Kallestad John P | Watch face |
| US20040223118A1 (en) | 2000-04-11 | 2004-11-11 | Benedikt Jean | Selective corneal aberrometry |
| USD444236S1 (en) | 2000-10-12 | 2001-06-26 | Oculus Optikgeraete Gmbh | Perimeter |
| US7357508B2 (en) * | 2001-08-27 | 2008-04-15 | Taketoshi Suzuki | Eye test chart apparatus |
| US7222961B2 (en) | 2002-08-05 | 2007-05-29 | Kestrel Corporation | Method for detecting a functional signal in retinal images |
| US20040085327A1 (en) | 2002-11-01 | 2004-05-06 | Tenebraex Corporation | Technique for enabling color blind persons to distinguish between various colors |
| US20040193070A1 (en) | 2003-03-28 | 2004-09-30 | Meyer Schilder | Systems and methods for detecting and mapping disorders of the macular portion of the retina |
| US20060270946A1 (en) | 2003-06-17 | 2006-11-30 | Silvestrini Thomas A | Method and apparatus for aligning a mask with the visual axis of an eye |
| US7264356B2 (en) | 2003-08-06 | 2007-09-04 | Tenebraex, Inc. | Techniques for diagnosing and aiding color vision |
| US7025455B2 (en) | 2003-12-19 | 2006-04-11 | J&J Vision Care, Inc. | Multifocal contact lenses having a pinhole |
| US20060132712A1 (en) | 2004-12-16 | 2006-06-22 | Grove Donald C | Dot radial ringed placido |
| US20060235514A1 (en) | 2005-04-14 | 2006-10-19 | Silvestrini Thomas A | Corneal optic formed of degradation resistant polymer |
| USD533904S1 (en) | 2005-08-16 | 2006-12-19 | Magy Quint As | Chord wheel |
| USD568133S1 (en) | 2005-12-20 | 2008-05-06 | Struers A/S | Cutting disc |
| USD580808S1 (en) | 2006-02-17 | 2008-11-18 | Van Tulder Barbara S | Dials |
| US8087780B2 (en) | 2006-07-31 | 2012-01-03 | Hsu-Chieh Yeh | High precision visual field tester with unprecedented detailed results |
| US8275438B2 (en) | 2006-10-04 | 2012-09-25 | Dexcom, Inc. | Analyte sensor |
| US20080204659A1 (en) | 2007-02-27 | 2008-08-28 | Carbonari Kenneth J | Placido Projector for Corneal Topography System |
| US7789510B2 (en) | 2008-01-14 | 2010-09-07 | Sina Fateh | System and method for improving the peripheral vision of a subject |
| US20090185134A1 (en) | 2008-01-21 | 2009-07-23 | Sarver Edwin J | Monochromatic multi-resolution corneal topography target |
| US20090231545A1 (en) | 2008-03-11 | 2009-09-17 | Minu, L.L.C. | Ocular centration of visual axis and evaluation of retinal funciton |
| US8066376B2 (en) | 2008-05-01 | 2011-11-29 | Vital Art & Science Incorporated | Dynamic shape discrimination vision test |
| US20110267577A1 (en) * | 2008-09-01 | 2011-11-03 | Dinesh Verma | Ophthalmic diagnostic apparatus |
| US20110013142A1 (en) | 2009-01-07 | 2011-01-20 | Husain Abbas M | Cataract detection eye chart |
| US20100182568A1 (en) | 2009-01-21 | 2010-07-22 | Sarver Edwin J | Continuous two-dimensional corneal topography target |
| US8047652B1 (en) | 2009-05-19 | 2011-11-01 | Ernesto Collazo | Portable electronic amsler test |
| US9427311B2 (en) | 2009-08-13 | 2016-08-30 | Acufocus, Inc. | Corneal inlay with nutrient transport structures |
| US20110040376A1 (en) | 2009-08-13 | 2011-02-17 | Acufocus, Inc. | Masked intraocular implants and lenses |
| US20110199574A1 (en) | 2009-09-21 | 2011-08-18 | Van Dalen Johan T W | Method and Apparatus for Determining Ocular Motor Function |
| USD685480S1 (en) * | 2010-01-07 | 2013-07-02 | Abbas M. Husain | Cataract detection eye chart |
| USD633581S1 (en) | 2010-03-10 | 2011-03-01 | Mats Thulin | Chest press |
| US20130286351A1 (en) | 2010-12-27 | 2013-10-31 | Nidek Co., Ltd. | Cornea shape measurement apparatus |
| USD671026S1 (en) | 2010-12-28 | 2012-11-20 | Horst Thurau | Watch face |
| USD683254S1 (en) | 2011-10-21 | 2013-05-28 | Yvonna Bennett | Pendant |
| USD683253S1 (en) | 2012-02-17 | 2013-05-28 | John P. Kallestad | Clock face |
| US20140277432A1 (en) | 2013-03-13 | 2014-09-18 | Acufocus, Inc. | In situ adjustable optical mask |
| USD734470S1 (en) * | 2013-12-13 | 2015-07-14 | Henry Ford Health System | Vision assessment chart |
| USD728797S1 (en) | 2013-12-13 | 2015-05-05 | Henry Ford Health System | Vision assessment apparatus |
| USD762508S1 (en) | 2014-08-26 | 2016-08-02 | Van Cleef & Arpels SA | Watch dial |
| USD844145S1 (en) | 2014-12-22 | 2019-03-26 | Henry Ford Health System | Vision assessment chart |
| USD741493S1 (en) * | 2015-01-09 | 2015-10-20 | Abbas M Husain | Pediatric color eye chart |
| USD742015S1 (en) * | 2015-01-09 | 2015-10-27 | Abbas M Husain | Color eye chart |
| USD781737S1 (en) | 2015-03-05 | 2017-03-21 | Harry Winston Sa | Dial |
| US20190246893A1 (en) * | 2016-07-29 | 2019-08-15 | Medicontur Medical Engineering Ltd. | Method and system for measuring visual acuity |
| US20200397279A1 (en) * | 2018-02-22 | 2020-12-24 | The Schepens Eye Research Institute, Inc. | Measuring eye refraction |
Non-Patent Citations (4)
| Title |
|---|
| Retinal Eye Care, "Amsler Grid: An at-home test to help detect changes in your vision", first available May 25, 2015. (https://web.archive.org/web/20150525232534/https:/retinaleyecare.com/amsler-grid/) (Year: 2015). * |
| Rgony, "Retina Diagnostic Tests", first available Apr. 27, 2017. (https://web.archive.org/web/20170427141042/http:/rgony.com/retina-diagnostic-tests/) (Year: 2017). * |
| Semantic Scholar, "Zhang Ring Test Early Diagnosis of Retinal Detachment", first available 2018. (https://www.semanticscholar.org/paper/Zhang-Ring-Test-Early-Diagnosis-of-Retinal-Zhang-Sugar/336ac1a1cea36593faf7fd4aefd0e4d70ca32030#extracted) (Year: 2018). * |
| Youtube, "Zhang Ring Test to Promote Early Diagnosis of Retinal Detachment", first available Mar. 13, 2019. (https://www.youtube.com/watch?v=vQuR7zwT2V4) (Year: 2019). * |
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